Great changes______in the mountain village in the last few years.For example,electric lamps______of oil ones.

A.have been taken place;have taken place

B.have taken place;have taken the place

C.have taken the place;have taken place

D.have taken the place;have taken the place

Great changes______in the mountain village in the last few years.For example,electric lamps______of oil ones

1. A.
   have been taken place;have taken place
2. B.
   have taken place;have taken the place
3. C.
   have taken the place;have taken place
4. D.
   have taken the place;have taken the place